MIPS: KVM: Trace guest register access emulation
[deliverable/linux.git] / arch / mips / kvm / trace.h
CommitLineData
669e846e 1/*
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2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
7 * Authors: Sanjay Lal <sanjayl@kymasys.com>
8 */
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9
10#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_KVM_H
12
13#include <linux/tracepoint.h>
14
15#undef TRACE_SYSTEM
16#define TRACE_SYSTEM kvm
17#define TRACE_INCLUDE_PATH .
18#define TRACE_INCLUDE_FILE trace
19
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20/*
21 * Tracepoints for VM enters
22 */
23TRACE_EVENT(kvm_enter,
24 TP_PROTO(struct kvm_vcpu *vcpu),
25 TP_ARGS(vcpu),
26 TP_STRUCT__entry(
27 __field(unsigned long, pc)
28 ),
29
30 TP_fast_assign(
31 __entry->pc = vcpu->arch.pc;
32 ),
33
34 TP_printk("PC: 0x%08lx",
35 __entry->pc)
36);
37
38TRACE_EVENT(kvm_reenter,
39 TP_PROTO(struct kvm_vcpu *vcpu),
40 TP_ARGS(vcpu),
41 TP_STRUCT__entry(
42 __field(unsigned long, pc)
43 ),
44
45 TP_fast_assign(
46 __entry->pc = vcpu->arch.pc;
47 ),
48
49 TP_printk("PC: 0x%08lx",
50 __entry->pc)
51);
52
53TRACE_EVENT(kvm_out,
54 TP_PROTO(struct kvm_vcpu *vcpu),
55 TP_ARGS(vcpu),
56 TP_STRUCT__entry(
57 __field(unsigned long, pc)
58 ),
59
60 TP_fast_assign(
61 __entry->pc = vcpu->arch.pc;
62 ),
63
64 TP_printk("PC: 0x%08lx",
65 __entry->pc)
66);
67
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68/* The first 32 exit reasons correspond to Cause.ExcCode */
69#define KVM_TRACE_EXIT_INT 0
70#define KVM_TRACE_EXIT_TLBMOD 1
71#define KVM_TRACE_EXIT_TLBMISS_LD 2
72#define KVM_TRACE_EXIT_TLBMISS_ST 3
73#define KVM_TRACE_EXIT_ADDRERR_LD 4
74#define KVM_TRACE_EXIT_ADDRERR_ST 5
75#define KVM_TRACE_EXIT_SYSCALL 8
76#define KVM_TRACE_EXIT_BREAK_INST 9
77#define KVM_TRACE_EXIT_RESVD_INST 10
78#define KVM_TRACE_EXIT_COP_UNUSABLE 11
79#define KVM_TRACE_EXIT_TRAP_INST 13
80#define KVM_TRACE_EXIT_MSA_FPE 14
81#define KVM_TRACE_EXIT_FPE 15
82#define KVM_TRACE_EXIT_MSA_DISABLED 21
83/* Further exit reasons */
84#define KVM_TRACE_EXIT_WAIT 32
85#define KVM_TRACE_EXIT_CACHE 33
86#define KVM_TRACE_EXIT_SIGNAL 34
87
88/* Tracepoints for VM exits */
89#define kvm_trace_symbol_exit_types \
90 { KVM_TRACE_EXIT_INT, "Interrupt" }, \
91 { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \
92 { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \
93 { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \
94 { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \
95 { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \
96 { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \
97 { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \
98 { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \
99 { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \
100 { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \
101 { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \
102 { KVM_TRACE_EXIT_FPE, "FPE" }, \
103 { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \
104 { KVM_TRACE_EXIT_WAIT, "WAIT" }, \
105 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \
106 { KVM_TRACE_EXIT_SIGNAL, "Signal" }
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107
108TRACE_EVENT(kvm_exit,
109 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
110 TP_ARGS(vcpu, reason),
111 TP_STRUCT__entry(
b3cffac0 112 __field(unsigned long, pc)
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113 __field(unsigned int, reason)
114 ),
115
116 TP_fast_assign(
b3cffac0 117 __entry->pc = vcpu->arch.pc;
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118 __entry->reason = reason;
119 ),
120
121 TP_printk("[%s]PC: 0x%08lx",
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122 __print_symbolic(__entry->reason,
123 kvm_trace_symbol_exit_types),
b3cffac0 124 __entry->pc)
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125);
126
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127#define KVM_TRACE_MFC0 0
128#define KVM_TRACE_MTC0 1
129#define KVM_TRACE_DMFC0 2
130#define KVM_TRACE_DMTC0 3
131#define KVM_TRACE_RDHWR 4
132
133#define KVM_TRACE_HWR_COP0 0
134#define KVM_TRACE_HWR_HWR 1
135
136#define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \
137 ((REG) << 3) | (SEL))
138#define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \
139 ((REG) << 3) | (SEL))
140
141#define kvm_trace_symbol_hwr_ops \
142 { KVM_TRACE_MFC0, "MFC0" }, \
143 { KVM_TRACE_MTC0, "MTC0" }, \
144 { KVM_TRACE_DMFC0, "DMFC0" }, \
145 { KVM_TRACE_DMTC0, "DMTC0" }, \
146 { KVM_TRACE_RDHWR, "RDHWR" }
147
148#define kvm_trace_symbol_hwr_cop \
149 { KVM_TRACE_HWR_COP0, "COP0" }, \
150 { KVM_TRACE_HWR_HWR, "HWR" }
151
152#define kvm_trace_symbol_hwr_regs \
153 { KVM_TRACE_COP0( 0, 0), "Index" }, \
154 { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \
155 { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \
156 { KVM_TRACE_COP0( 4, 0), "Context" }, \
157 { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \
158 { KVM_TRACE_COP0( 5, 0), "PageMask" }, \
159 { KVM_TRACE_COP0( 6, 0), "Wired" }, \
160 { KVM_TRACE_COP0( 7, 0), "HWREna" }, \
161 { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \
162 { KVM_TRACE_COP0( 9, 0), "Count" }, \
163 { KVM_TRACE_COP0(10, 0), "EntryHi" }, \
164 { KVM_TRACE_COP0(11, 0), "Compare" }, \
165 { KVM_TRACE_COP0(12, 0), "Status" }, \
166 { KVM_TRACE_COP0(12, 1), "IntCtl" }, \
167 { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \
168 { KVM_TRACE_COP0(13, 0), "Cause" }, \
169 { KVM_TRACE_COP0(14, 0), "EPC" }, \
170 { KVM_TRACE_COP0(15, 0), "PRId" }, \
171 { KVM_TRACE_COP0(15, 1), "EBase" }, \
172 { KVM_TRACE_COP0(16, 0), "Config" }, \
173 { KVM_TRACE_COP0(16, 1), "Config1" }, \
174 { KVM_TRACE_COP0(16, 2), "Config2" }, \
175 { KVM_TRACE_COP0(16, 3), "Config3" }, \
176 { KVM_TRACE_COP0(16, 4), "Config4" }, \
177 { KVM_TRACE_COP0(16, 5), "Config5" }, \
178 { KVM_TRACE_COP0(16, 7), "Config7" }, \
179 { KVM_TRACE_COP0(26, 0), "ECC" }, \
180 { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \
181 { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \
182 { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \
183 { KVM_TRACE_HWR( 2, 0), "CC" }, \
184 { KVM_TRACE_HWR( 3, 0), "CCRes" }, \
185 { KVM_TRACE_HWR(29, 0), "ULR" }
186
187TRACE_EVENT(kvm_hwr,
188 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg,
189 unsigned long val),
190 TP_ARGS(vcpu, op, reg, val),
191 TP_STRUCT__entry(
192 __field(unsigned long, val)
193 __field(u16, reg)
194 __field(u8, op)
195 ),
196
197 TP_fast_assign(
198 __entry->val = val;
199 __entry->reg = reg;
200 __entry->op = op;
201 ),
202
203 TP_printk("%s %s (%s:%u:%u) 0x%08lx",
204 __print_symbolic(__entry->op,
205 kvm_trace_symbol_hwr_ops),
206 __print_symbolic(__entry->reg,
207 kvm_trace_symbol_hwr_regs),
208 __print_symbolic(__entry->reg >> 8,
209 kvm_trace_symbol_hwr_cop),
210 (__entry->reg >> 3) & 0x1f,
211 __entry->reg & 0x7,
212 __entry->val)
213);
214
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215#define KVM_TRACE_AUX_RESTORE 0
216#define KVM_TRACE_AUX_SAVE 1
217#define KVM_TRACE_AUX_ENABLE 2
218#define KVM_TRACE_AUX_DISABLE 3
219#define KVM_TRACE_AUX_DISCARD 4
220
221#define KVM_TRACE_AUX_FPU 1
222#define KVM_TRACE_AUX_MSA 2
223#define KVM_TRACE_AUX_FPU_MSA 3
224
225#define kvm_trace_symbol_aux_op \
226 { KVM_TRACE_AUX_RESTORE, "restore" }, \
227 { KVM_TRACE_AUX_SAVE, "save" }, \
228 { KVM_TRACE_AUX_ENABLE, "enable" }, \
229 { KVM_TRACE_AUX_DISABLE, "disable" }, \
230 { KVM_TRACE_AUX_DISCARD, "discard" }
231
232#define kvm_trace_symbol_aux_state \
233 { KVM_TRACE_AUX_FPU, "FPU" }, \
234 { KVM_TRACE_AUX_MSA, "MSA" }, \
235 { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
236
237TRACE_EVENT(kvm_aux,
238 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
239 unsigned int state),
240 TP_ARGS(vcpu, op, state),
241 TP_STRUCT__entry(
242 __field(unsigned long, pc)
243 __field(u8, op)
244 __field(u8, state)
245 ),
246
247 TP_fast_assign(
248 __entry->pc = vcpu->arch.pc;
249 __entry->op = op;
250 __entry->state = state;
251 ),
252
253 TP_printk("%s %s PC: 0x%08lx",
254 __print_symbolic(__entry->op,
255 kvm_trace_symbol_aux_op),
256 __print_symbolic(__entry->state,
257 kvm_trace_symbol_aux_state),
258 __entry->pc)
259);
260
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261TRACE_EVENT(kvm_asid_change,
262 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid,
263 unsigned int new_asid),
264 TP_ARGS(vcpu, old_asid, new_asid),
265 TP_STRUCT__entry(
266 __field(unsigned long, pc)
267 __field(u8, old_asid)
268 __field(u8, new_asid)
269 ),
270
271 TP_fast_assign(
272 __entry->pc = vcpu->arch.pc;
273 __entry->old_asid = old_asid;
274 __entry->new_asid = new_asid;
275 ),
276
277 TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x",
278 __entry->pc,
279 __entry->old_asid,
280 __entry->new_asid)
281);
282
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283#endif /* _TRACE_KVM_H */
284
285/* This part must be outside protection */
286#include <trace/define_trace.h>
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